U.S. patent number D357,520 [Application Number 07/872,281] was granted by the patent office on 1995-04-18 for golf club iron head. This patent grant is currently assigned to Callaway Golf Company. Invention is credited to Richard C. Helmstetter, Glenn H. Schmidt.
United States Patent | D357,520 |
Helmstetter , et al. | April 18, 1995 |
Inventors: | Helmstetter; Richard C. (Carlsbad, CA), Schmidt; Glenn H. (Malibu, CA) |
---|---|
Assignee: | Callaway Golf Company
(Carlsbad, CA) |
Appl. No.: | 07/872,281 |
Filed: | April 24, 1992 |
Current U.S. Class: | D21/750 |
Field of Search: | ;D21/220 ;273/167-175 |
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